Bar’s Liquid Copper Head Gasket & Block Repair is specially designed as a 1 step solution for preventing and stopping coolant leaks occurring as a result of a damaged or cracked engine blocks or leaking head gaskets. Bar’s Liquid Copper Stop Leak & Block Repair contains an added copper component which serves to transfer (or absorb) excess heat and to help reinforce the seal for longevity.
This product is recommended for use in vehicles that do not overheat or require coolant filling after allowing the engine to idle for 15-30 minutes.
Seals leaks near the combustion chamber and head gasket
This product contains a blend of anti-freeze compatible sodium silicate and reinforcement particles which harden and form a strong seal to stop leaks near the combustion chamber. Bar's Liquid Copper Head Gasket also includes added copper particles to absorb and transfer heat from the engine and reinforce the seal.
The cooling system must be clean and free of other types of stop leak products. If it is necessary to remove other anti-leakage substances, or if the engine is over 2 years old or has traveled over 40,000 km, clean the system with Bar's Leaks Nural before using Bar's Leaks Radiator Stop Leak.